v3.25.2
Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance $ 3,280 $ 3,214 $ 3,191 $ 3,186
Other comprehensive income (loss) before reclassifications 14 (4) 30 (8)
Ending balance 3,326 3,153 3,326 3,153
Unrealized Gains (Losses) Available-for-Sale Securities        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (65) (99) (81) (93)
Other comprehensive income (loss) before reclassifications 8 (1) 24 (7)
Ending balance (57) (100) (57) (100)
Retirement Plan Liabilities Adjustments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (3) (8) (3) (8)
Other comprehensive income (loss) before reclassifications 0 0 0 0
Ending balance (3) (8) (3) (8)
Foreign Currency Translation Adjustments        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (13) (5) (13) (2)
Other comprehensive income (loss) before reclassifications 7 (1) 7 (4)
Ending balance (6) (6) (6) (6)
Changes in Discount Rate for Insurance Claims and Policyholder Liabilities        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 0 0 (1) (5)
Other comprehensive income (loss) before reclassifications 0 (1) 1 4
Ending balance 0 (1) 0 (1)
Other        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance 16 21 17 21
Other comprehensive income (loss) before reclassifications (1) (1) (2) (1)
Ending balance 15 20 15 20
Accumulated Other Comprehensive Income (Loss)        
AOCI Attributable to Parent, Net of Tax [Roll Forward]        
Beginning balance (65) (91) (81) (87)
Ending balance $ (51) $ (95) $ (51) $ (95)